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Power Supply

Discussion in 'Hardware' started by Johnd76, Jan 26, 2013.

  1. Johnd76

    Johnd76 Megabyte Poster

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    Hey there, I have an old Packard bell tower pc that I want to use...now the PSU in it is really loud and I would like you guys to give me some advice on getting a new quieter one...not looking for anything to expensive (£30-40) I know you usually get what you pay for but I was just wondering if you guys had any good suggestions
     
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  2. RichyV

    RichyV Megabyte Poster Forum Leader

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    HI,

    I'm not a great advocate of cheap PSU's, but probably anything you can buy now will be better manufactured than what was installed originally.

    You should be able to replace it for your price range - are you sure that it's an ATX standard though, and not some proprietary shape/size/fixture?

    If you're happy that it's bog-standard, then I'd take a look @ Scan.co.uk in the non-modular 300-530W section. Any good name there; Antec; Seasonic; Zalman; Be Quiet; Cooler Master etc, should be OK.

    Certainly look for the 80% and above efficiency rating.

    HTH
     
    Last edited: Jan 26, 2013
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  3. FlashDangerpants

    FlashDangerpants Nibble Poster

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    Do old Packard Bells use standard PSUs? I thought not.
     
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  4. RichyV

    RichyV Megabyte Poster Forum Leader

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    I'm doubting it, which I why I mentioned the possibility.

    But hopefully so, or it's gonna be a bit of a pig to find one. Could always try to rehouse in a different case, but then that could come a cropper due to non-standard motherboard fixing-screw configuration... :unsure
     
    Certifications: B.Sc.(Hons), MBCS. MCP (271,272), MCDST, MCTS (680), MCITP:EDST7, MCSA:WIN7, MCPS, MCNPS
    WIP: 70-686, then onto MCSE: Desktop Infrastructure via MCSA: Server 2012...
  5. Johnd76

    Johnd76 Megabyte Poster

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    Thanks for the relies lads...

    So the main thing I should look for is 80% efficiency or higher?
     
    Certifications: MCP, MCDST
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  6. Adam Smith

    Adam Smith New Member

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    Hey, there as a situation need to replace it of your reasonable price capacity. You found many brand's and company's power supply in the market.
     
  7. Johnd76

    Johnd76 Megabyte Poster

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    Hey guys, still on the lookout for a psu...I want one that's as close to silent as possible, so I don't hear it when I'm in bed at night
     
    Certifications: MCP, MCDST
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  8. Dazzo

    Dazzo Byte Poster

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    Hi Johnd76.

    A couple suggestions below. Remember these are not modular so take up more space, and check the specs to see if they have all the connections you require.

    I've had experience with the coolermaster and find it quiet and very reliable. The OCZ reviews were equally as good but no experience with them so I can't comment too much. Both 30-40

    Cooler Master Elite Power 500W
    OCZ CoreXtreme 500w '80 Plus'
     
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  9. Johnd76

    Johnd76 Megabyte Poster

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    Cheers dazzo!

    Will have a look at those, need to get one soon! Sound trivial but it's "doin ma nut it"

    Can i also ask...what is Power Factor control (PFC)?
     
    Last edited: Jun 19, 2013
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  10. Dazzo

    Dazzo Byte Poster

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    Yeah I know, it gets confusing when you see all the options out there!

    I think it's something to do with efficiency if I remember rightly, the higher the better I'm guessing there.
     
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  11. dmarsh

    dmarsh Terabyte Poster

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    Fanless PSU

    You can build a whole system fanless (passive), can also use micro ATX and HTPC parts, tends to cost more than an old desktop though.
     
    Last edited: Jun 19, 2013
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  12. Josiahb

    Josiahb Gigabyte Poster

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    I've never trusted fanless PSUs, just seems like asking for trouble to me. If you do go fanless you'll need to ensure there is a decent amount of free space around the case to encourage natural air movement.

    I'd also advise moving the whole lot to a new case if you're looking at passive cooling as I can almost guarantee the airflow in the current one will be totally useless.
     
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  13. dmarsh

    dmarsh Terabyte Poster

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    There are literally billions of consumer products that have passive power supplies and work without issue.

    I would expect that if you don't need a lot of wattage and you are happy with lower end CPU's / GPU's then its less of an issue.

    You need to leave space around a case anyway, you need airflow whether its active or passive.

    The most important thing is that there is a temperature difference, which since the air in the UK rarely gets that hot there will be.
     
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